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1·Her joints ache if she exercises.

她的关节一运动就疼。《柯林斯英汉双解大词典》

2·Most artificial joints are cemented into place.

绝大部分人造关节是被黏结复位的。《柯林斯英汉双解大词典》

3·Check that joints are secure and the wood is sound.

检查接头是否牢固，木头是否完好。《柯林斯英汉双解大词典》

4·You should try not to place too much strain on muscles and joints.

你要尽量不让肌肉和关节太吃力。《牛津词典》

5·Inactivity can make your joints stiff, and the bones may begin to degenerate.

不活动会使关节僵硬，骨骼因此可能会开始退化。《柯林斯英汉双解大词典》

6·The object of these movements is to prevent stiffness or deformity of joints.

这些活动的目的是防止关节僵硬或变形。《柯林斯英汉双解大词典》

7·My rheumatics has made me too stiff in the joints.

我的风湿病使我的关节太僵硬了。

8·It is commonly known that many people feel pains in their bones or joints when humidity rises.

众所周知，当湿度上升时，许多人的骨头或关节会感到疼痛。

9·She complains of constant pains in her hips and joints and of problems from the dust that settles on the village.

她说她的臀部和关节总是疼痛不已，同时伴有其他种种不适，这都是落在村庄中的灰尘所致。

10·Large quantities of water may also be stored in limestones when joints and cracks have been enlarged to form cavities.

当接缝和裂缝扩大形成空洞时，大量的水也会被储存在石灰岩中。

(1)joint venture合资企业；联合经营

(1)knee joint膝关节；弯头结合

(1)welded joint焊缝；焊接节点

(1)joint stock合股

(1)welding joint焊接接头；焊接接合

(1)butt joint对接；对接接头